cerebral oxygen extraction rate 脑氧摄取率
Oxygen extraction index 氧气萃取指数
oxygen extraction fraction 氧摄取指数
oxygen extraction rate 氧气提取率
tissue oxygen extraction 组织氧摄取
cerebral oxygen extraction 氧摄取率
fractional oxygen extraction 分次氧提取物
Objective To investigate the changes of cerebral oxygen extraction fraction (OEF) following acute cerebral infarction and its clinical value in old patients.
目的探讨老年急性脑梗死后脑氧摄取分数(OEF)变化及临床价值。
Oxygen in different states in ultrafine powders can be determined with newly developed heat-extraction method.
用新开发的热抽取法，测定了超细粉中不同状态氧的含量。
The oxygen containing components are obtained from Gudong Crude oil of Shengli by solvent extraction and separated into acidic and other components chromatographically on silica gel column.
用溶剂萃取法从胜利孤东原油中萃取、浓缩出含有机酸的活性组分，用柱色谱分离成窄馏分并进行了波谱鉴定。
应用推荐